A defect, in which a person suffering from is unable to see in all directions equally well, is:

myopia

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presbyopia

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astigmatism

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hypermetropia

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Solution

The correct option is C astigmatism
In astigmatism, the person is unable to see in all directions clearly due to the imperfections in the shape of cornea. For example, a person may be able to see horizontal lines but not vertical lines.

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A defect, in which a person suffering from is unable to see in all directions equally well, is:

The correct option is C astigmatismIn astigmatism, the person is unable to see in all directions clearly due to the imperfections in the shape of cornea. For example, a person may be able to see horizontal lines but not vertical lines.

The correct option is C astigmatism
In astigmatism, the person is unable to see in all directions clearly due to the imperfections in the shape of cornea. For example, a person may be able to see horizontal lines but not vertical lines.